a sugar which provides energy for plants

an insoluble molecule made from many glucose molecules

an insoluble substance also made from glucose which is in plant cell walls and vegetable fibres such as cotton

fats can be soluble or insoluble and are made up of glycerol and fatty acids; they are used in plants as an energy store, for example, in seeds

a chemical process in living organisms involving the release of energy from a reaction between glucose and oxygen